Weed
annual marsh elder, seacoast sumpweed
AcheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.
SpatulateSpatulate:
Having a narrow base and rounded apex. Pear-shaped.
Black
Rough with longitudinal ribs
Two spaced longitudinal ribs on a flat surface
AchenesAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat. broadly spatulateSpatulate:
Having a narrow base and rounded apex. Pear-shaped. and compressed. Two longitudinal ribs on the top surface. Surface texture is granularGranular:
Resembling or consisting of small grains or particles.
, dull, and rough.
Not listed
Not included
Asteraceae
Iva annua L.
